Science Chp.3

Question 1

chemical bond

Answer 1

the combining of chemicals to form molecules or compounds

Question 2

ionic compound

Answer 2

a compound made up of oppositely charged ions

Question 3

covalent compound

Answer 3

a chemical compound formed be the sharing of electrons

Question 4

indicator

Answer 4

a compound that can reversibly change color depending on conditions such as pH

Question 5

base

Answer 5

any compound that increases the number of hydroxide ions when dissolved in water

Question 6

neutralization reaction

Answer 6

the reaction of an acid and a base to form a neutral solution of water and salt

Question 7

pH

Answer 7

a value that is used to express the acidity or basically of a system

Question 8

salt

Answer 8

an ionic compound that forms when a metal atom replaces the hydrogen of an acid

Question 9

organic compound

Answer 9

a covalenterly bonded compound that contains carbon

Question 10

hydrocarbon

Answer 10

an organic compound composed only of carbon and hydrogen

Question 11

carbohydrate

Answer 11

a class of energy giving neut-rants that includes sugars, and fiber, composed of only one or more simple sugars bonded together

Question 12

lipid

Answer 12

a type of biochemical that does not dissolve in water, fats and steroids are lipids

Question 13

protein

Answer 13

a molecule that is made up of amino acids that is needed to build and repair body structures to regulate process in the body

Question 14

nucleic acid

Answer 14

a molecule made up of sub units called nucleotide s